Editor's Note: Launch of the Polaris Dawn mission, the first commercial flight to Earth orbit featuring a non-government, civilian spacewalk, has been delayed at least 24 hours, from 3:38 a.m. EDT ...

Days after returning to Earth, the four civilian crew members of the Polaris Dawn mission opened up about their experience seeing the planet from orbit, floating in weightlessness and conducting ...

The company said the Polaris Dawn launch was off until at least Friday, weather permitting. "Our launch criteria are heavily constrained by forecasted splashdown weather conditions," mission ...

new video loaded: SpaceX Launches Polaris Dawn Private Spaceflight Mission transcript 4, 3, 2, 1. Ignition. Two minutes into flight, everything continues to look good. Stage separation confirmed.

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The mission, known as Polaris Dawn, is a collaboration between Mr. Isaacman and SpaceX, the rocket company led by Elon Musk. “Send us, SpaceX,” Mr. Isaacman said with just over 30 seconds left ...

Update: The Polaris Dawn flight scheduled for Tuesday was delayed until Wednesday at the earliest, according to a message posted on SpaceX social media Monday night. Teams found a helium leak ...

The Chicago-based company, which makes training modules designed as medical education video games, is partnering with the Polaris Program and SpaceX to be part of this week's Polaris Dawn mission.

Elon Musk’s SpaceX partnered with Isaacman to bring the Polaris Dawn mission to life ... Find more stories like this one on our Pulse Facebook page. Hunter Boyce is a writer, digital producer ...

SpaceX postponed its groundbreaking Polaris Dawn mission on Monday, hours before it was scheduled to liftoff from Florida. In a post, the company said it is investigating a “ground-side ...